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palisade parenchyma

American  

noun

Botany.
  1. the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis.


Etymology

Origin of palisade parenchyma

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The numerous small bumps in the palisade parenchyma cells are chloroplasts.

From Textbooks • Jun. 9, 2022

Below the palisade parenchyma are loosely arranged cells of an irregular shape.

From Textbooks • Jun. 9, 2022

The upper part of the mesophyll is comprised of columnar cells called palisade parenchyma.

From Textbooks • Jan. 1, 2015

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